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View Full Version : Pop in fuel-tank about 3km before reserve



steved
17th July 2006, 16:58
Every-time I am about to hit reserve, I hear a loudish pop noise emanating from deep in the fuel tank. It happens about 3km before the spluttering starts.

Any ideas as to what this could be?

Cheers

ManDownUnder
17th July 2006, 17:01
Dunno - but I wouldn't fix it - sounds handy!

Maybe the tanks emptying and sucking one of the panels?

GR81
17th July 2006, 17:12
yea, sounds handy to me... let me know what you find out, coz ill take one thanks :)

imdying
17th July 2006, 18:05
Blocked breather hose?

Qkchk
17th July 2006, 18:14
Flux Capacitor?

Fatjim
17th July 2006, 18:24
I get the same thing, always assumed it's the bike farting back through the carbies.

Macktheknife
17th July 2006, 18:28
Pressure change as fuel level drops?

Edbear
17th July 2006, 18:30
Okay, I give in! What is it...?:blip:

Shadows
17th July 2006, 23:52
That will be your low motion lotion level alarm.
You're lucky that you have one, they are quite hard to find.
I think they should be fitted to every bike. I was going to put one on mine but I couldn't find a distributor, and besides, I wouldn't be able to hear it anyway.

steved
19th July 2006, 16:04
yea, sounds handy to me... let me know what you find out, coz ill take one thanks :)I wouldn't say it's THAT handy. I hit reserve pretty soon afterwards anyway.

steved
19th July 2006, 16:05
Blocked breather hose?Yeah, I will check this. It only started after I got it back from a head-gasket replacement so they had the tank off. Could make sense.

Cheers bro.

imdying
19th July 2006, 18:21
Try this: it always does it when the tank gets low right? Well, try opening the tank before it has had a chance to pop (assuming you've ridden it from filling it up to the top). See if it makes the same sort of thing (or something similar) when you open the tank. If it does, the tank must be making a vacumn inside itself, which might point towards a blocked breather.

Lou Girardin
26th July 2006, 16:47
It's sucking air and burping.
Don't let it get so low that it starts to fart.

imdying
26th July 2006, 17:55
It's sucking air and burping.
Don't let it get so low that it starts to fart.
A ZXR400 can't even get to reserve without doing that?

steved
31st July 2006, 14:33
I had a look at the breather hose and it looks fine. However, when I hit reserve yesterday, no pop. Hmmm. Problem solved? Nothing like these random things to keep me sane.